People travel by canoe in a poor neighborhood in Lagos, Nigeria. Lockdowns have begun in Africa as coronavirus cases rise. Nigeria on Saturday announced it is closing airports to all incoming international flights for one month. Nigeria, the most populous nation on the continent, has reported just over 100 coronavirus cases, though the actual number is likely much higher.

People travel by canoe in a poor neighborhood in Lagos, Nigeria. Lockdowns have begun in Africa as coronavirus cases rise. Nigeria on Saturday announced it is closing airports to all incoming international flights for one month. Nigeria, the most populous nation on the continent, has reported just over 100 coronavirus cases, though the actual number is likely much higher.